Changes the error icon from a 'times circle' to an exclamation so that users do not confuse the icon with the cancel button.
Changes the error icon from a 'times circle' to an exclamation so that users do not confuse the icon with the cancel button.

stonecircle/ember-cli-notifications,SirZach/ember-cli-notifications,SirZach/ember-cli-notifications,stonecircle/ember-cli-notifications,marcemira/ember-cli-notifications,aupac/ember-cli-notifications,cesarizu/ember-cli-notifications,marcemira/ember-cli-notifications,aupac/ember-cli-notifications,cesarizu/ember-cli-notifications,Blooie/ember-cli-notifications,Blooie/ember-cli-notifications